[Answered] An electron is known to be confined to a region of width 0.10 nm. What is an approximate expression ...

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saraeharris

Hero Member
Posts: 546

on: Jul 27, 2018

An electron is known to be confined to a region of width 0.10 nm. What is an approximate expression for the least kinetic energy it could have, expressed in eV?

What will be an ideal response?

Question 2

Approximately what mass ratio is required for a rocket to leave the Earth's gravity?

A) 60
B) 99
C) 25
D) 39

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raenoj

Sr. Member
Posts: 340

Reply #1 on: Jul 27, 2018

Answer to Question 1

3.8 eV

Answer to Question 2

D

saraeharris

Member
Posts: 546

Reply 2 on: Jul 27, 2018

Thanks for the timely response, appreciate it

irishcancer18

Member
Posts: 310

Reply 3 on: Yesterday

Excellent

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